nz-content {
  width: 1300px;
  margin: 60px auto;
  border-radius: 5px;
  .nz_content {
    min-height: 620px;
    background-color: #fff;
    box-sizing: border-box;
    padding: 20px;
  }
}
.layout {
  display: flex;
  height: 100%;
  flex-direction: row;
  .site {
    flex: 1;
  }
}